567fbf93ed
- G54 work coordinate system support. Up to 6 work coordinate systems (G54-G59) available as a compile-time option. - G10 command added to set work coordinate offsets from machine position. - G92/G92.1 position offsets and cancellation support. Properly follows NIST standard rules with other systems. - G53 absolute override now works correctly with new coordinate systems. - Revamped g-code parser with robust error checking. Providing user feedback with bad commands. Follows NIST standards. - Planner module slightly changed to only expected position movements in terms of machine coordinates only. This was to simplify coordinate system handling, which is done solely by the g-code parser. - Upon grbl system abort, machine position and work positions are retained, while G92 offsets are reset per NIST standards. - Compiler compatibility update for _delay_us(). - Updated README.
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
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serial.c - Low level functions for sending and recieving bytes via the serial port
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Part of Grbl
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Copyright (c) 2009-2011 Simen Svale Skogsrud
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Copyright (c) 2011-2012 Sungeun K. Jeon
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Grbl is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Grbl is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grbl. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This code was initially inspired by the wiring_serial module by David A. Mellis which
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used to be a part of the Arduino project. */
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#ifndef serial_h
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#define serial_h
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#define SERIAL_NO_DATA 0xff
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void serial_init(long baud);
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void serial_write(uint8_t data);
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uint8_t serial_read();
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// Reset and empty data in read buffer. Used by e-stop and reset.
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void serial_reset_read_buffer();
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#endif
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